Search a number
BaseRepresentation
bin11110100011111101110…
…011001101110111100111
321102202222200210001101012
4132203331303031313213
5233402203214232442
64244453003452435
7304506652214654
oct36437563156747
97382880701335
102100202102247
1173a766375337
1229b04952711b
13123081bb5c32
14739166bcc2b
153996ed39582
hex1e8fdccdde7

2100202102247 has 2 divisors, whose sum is σ = 2100202102248. Its totient is φ = 2100202102246.

The previous prime is 2100202102213. The next prime is 2100202102249. The reversal of 2100202102247 is 7422012020012.

Adding to 2100202102247 its reverse (7422012020012), we get a palindrome (9522214122259).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2100202102247 - 236 = 2031482625511 is a prime.

Together with 2100202102249, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2100202102249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050101051123 + 1050101051124.

It is an arithmetic number, because the mean of its divisors is an integer number (1050101051124).

Almost surely, 22100202102247 is an apocalyptic number.

2100202102247 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100202102247 is an equidigital number, since it uses as much as digits as its factorization.

2100202102247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 23.

The spelling of 2100202102247 in words is "two trillion, one hundred billion, two hundred two million, one hundred two thousand, two hundred forty-seven".